been coordinated attacks on two american diplomatic posts overseas resulting in the murder of u.s. ambassador to libya and three others. we have every angle covered. politics, policy, reality on the ground in libya and egypt tonight. but first, to start, a detailed timeline. this actually all began late monday. mon, september 10, 11:46 p.m. video by ayman al-zawahiri, the egyptian doctor now believed to be spiritual leader, emir of al-qaeda surfaces. he mourns the death of al-dibi, a top al-qaeda member killed in a drone strike in june. al-zawahiri uses the eulogy to call fighters to avenge alibii death. renewed jihad against the u.s. the video cuts to a clip of his younger brother, muhammad al-zawahiri. something noted by people who study the tapes. early on tuesday, septembe september 11, the u.s. embassy if cairo egypt prepares for expected protests oaf an anti-islam video made in the u.s. a.p. quotes a u.s. official saying embassy security had sent most staff home early, after learning of the upcoming protest. 6:00 a.m., noon cairo time, embassy officials in cairo issue a stat